Office calculator with a virtual tape for Android
fixed point or floating point mode
various rounding modes easy percent and tax calculation.
This is a calculator optimized for office tasks.

* Calculator with virtual tape
You can switch between calculator view and and tape view to have a full screen view of the tape.
Just tap on the tape to switch between views.
The tape of the calculator can have up to 1000 lines.

* Calculator support corrections on the tape
You can change values on the virtual tape to make corrections.
For corrections go to the context menu of the tape line with a long press.

* Calculator has percent calculation to add or subtract percent values.
The tape will display the percentage and the resulting value.

* Calculator has tax buttons (TX+ TX-) to add or sub tract tax (sales tax VAT)
This makes it very easy to calculate tax amounts with the calculator.
The tape will display the tax rate and the resulting value.

* Calculator allows annotations on the tape
You can write a comment to a tape line.

* Calculator with fixed point arithmetic or floating point.
Fixed point arithmetic has 20 digits and 0 - 4 decimal places.
The floating point arithmetic has 64 bits (IEEE double precision).
By default the calculator works with fixed point arithmetic and 2 decimal places as needed for most calculations with amounts.

* Calculator supports three rounding modes: up down or 5/4.

This is the Pro variant of Office Calculator a Free variant with ads is also available.